Understanding and Graphing Exponential Growth in Real Life

Understanding and Graphing Exponential Growth in Real Life

8th Grade

10 Qs

quiz-placeholder

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Understanding and Graphing Exponential Growth in Real Life

Understanding and Graphing Exponential Growth in Real Life

Assessment

Quiz

English, Mathematics

8th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bacteria culture doubles in size every hour. If the culture starts with 5 bacteria, how many will there be after 'x' hours?

5 * x

10 * (2^x)

5 * (2^x)

5 + (2^x)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A tree grows at a rate of 3% per year. If the tree is currently 10 feet tall, what will its height be after 'x' years?

10 * (1.05^x)

10 + (3 * x)

10 * (2^x)

10 * (1.03^x)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain investment grows exponentially. If you invest $100 at an unknown annual interest rate, how much will it be worth after 'x' years if it reaches $400?

The investment will be worth $300 after x years.

The investment will be worth $200 after x years.

The investment will be worth $400 after x years.

The investment will be worth $500 after x years.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A population of rabbits increases by 50% every month. If there are currently 20 rabbits, how many will there be after 'x' months?

20 * (1.2^x)

20 * (1.5^x)

20 * (2^x)

20 + (20 * 0.5 * x)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car's value decreases by 20% each year. If the car is currently worth $15,000, what will its value be after 'x' years?

15000 * (1.2^x)

15000 - (2000 * x)

15000 / (0.8^x)

15000 * (0.8^x)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A viral video gets 200 views on the first day and doubles its views each subsequent day. How many views will it have after 'x' days?

200 * (x^2)

200 * (2^x)

200 + (2^x)

100 * (2^x)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain species of fish in a lake grows exponentially. If there are currently 50 fish and the population doubles every year, how many fish will there be after 'x' years?

50 * 2^x

50 + 2x

100 * 2^x

50 * x^2

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